package cn.bjsxt.array2;

public class Test01 {
	public static void main(String[] args){
//		int [][] a = {
//			{1, 2},
//			{3, 4, 0, 9},
//			{5, 6, 7}
//		};
		int[][] a = new int[3][];
		a[0] = new int[2];
		a[1] = new int[4];
		a[2] = new int[3];
		a[0][0] = 1;
		a[0][1] = 2;
		a[1][0] = 3;
		a[1][1] = 4;
		a[1][2] = 0;
		a[1][3] = 9;
		a[2][0] = 5;
		a[2][1] = 6;
		a[2][2] = 7;
		
		System.out.println(a[0][1]);
	}
}
